array_pop() with Key

try

end($array); //pointer to end
each($array); //get pair

Check out array_slice() http://php.net/manual/en/function.array-slice.php

Last argument true is to preserve keys.

When you pass the offset as negative, it starts from the end. It's a nice trick to get last elements without counting the total.

$array = [
    "a" => 1,
    "b" => 2,
    "c" => 3,
];

$lastElementWithKey = array_slice($array, -1, 1, true);

print_r($lastElementWithKey);

Outputs:

Array
(
    [c] => 3
)

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